How far is Knoxville, TN, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Knoxville (Knoxville McGhee Tyson Airport) is 1626 miles / 2616 kilometers / 1413 nautical miles.
The driving distance from Helena (HLN) to Knoxville (TYS) is 1995 miles / 3211 kilometers, and travel time by car is about 35 hours 51 minutes.
Helena Regional Airport – Knoxville McGhee Tyson Airport
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Distance from Helena to Knoxville
There are several ways to calculate the distance from Helena to Knoxville. Here are two standard methods:
Vincenty's formula (applied above)- 1625.786 miles
- 2616.449 kilometers
- 1412.770 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1622.917 miles
- 2611.832 kilometers
- 1410.277 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Helena to Knoxville?
The estimated flight time from Helena Regional Airport to Knoxville McGhee Tyson Airport is 3 hours and 34 minutes.
What is the time difference between Helena and Knoxville?
The time difference between Helena and Knoxville is 2 hours. Knoxville is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Knoxville McGhee Tyson Airport (TYS)
On average, flying from Helena to Knoxville generates about 188 kg of CO2 per passenger, and 188 kilograms equals 414 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Knoxville
See the map of the shortest flight path between Helena Regional Airport (HLN) and Knoxville McGhee Tyson Airport (TYS).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Knoxville McGhee Tyson Airport |
|---|---|
| City: | Knoxville, TN |
| Country: | United States |
| IATA Code: | TYS |
| ICAO Code: | KTYS |
| Coordinates: | 35°48′39″N, 83°59′38″W |